1. BUY THESE
SImply put, I'm in LOVE with these Spectrum Levers.
Don't underestimate the importance of good levers: You're hands are constantly in contact with these and you shouldn't skimp on something that you will always be looking for feedback from.
I have a pair of cheap MZS Amazon specials that these replaced and you can immediately tell the difference in machining and quality of the CRG's vs the old ones. It can't be overstated the difference in feel and craftsmanship. These just feel amazing and offer a much more precise degree of adjustability.
Don't ever buy cheap. Save your money and buy these (they're inexpensive anyway for what you're getting).